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It's not clear they're going for a 3d experience. My guess is it's just a hud without eye tracking. A camera for labeling the world a'la virtual light would be cool, but still laggy. Does not matter. I would insert the picture of a kitten with the text "want" but this is not reddit.

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It needs to be 3D to pitch text. Hold a piece of text 3 inches away from your eyeball and try reading it. Then imagine how painful it would be to have that there 8 hours a day.

I disagree. Every single consumer 3d tech is a fixed focal length. Neither the 3d tv, nor the movie screen changes distance. there's nothing special in the glasses to change distance, it's simply blocking out images from one eye.

I think you mean something like the image needs to appear some distance away from the eye. Yes, i agree with that. There are old solutions to that problem.

You could show each eye a different image, and get a depth effect... but that has all of the problems you pointed out.

Upvoted for the 'Virtual Light' reference. Like basically everything else online, William Gibson described this years ago.

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